Knocker for traveling carriers.



PATENTED AUG. 16, 1904.

. D. M. MOTHERWELL. KNOGKER FOR TRAVELING CARRIERS.

APPLICATION FILED AUG. 6. 1903. N0 MODEL. 2 SHEETS-SHEET 1.

ha e/z 1 07:

v No. 767,652. PATENTED AUG. 16, 1904,

n. M. MOTHERWELL.

KNOGKER FOR TRAVELING CARRIERS.

nruoumn rmm we. 6. 1903'. no MODEL.

2 SHEETS-SHEET 2.

UNITED STATES Patented August 16, 1904.

PATENT OFFICE.

DAVID M. MOTHERIVELL, OF CHICAGO, ILLINOIS, ASSIGNOR TO THE WHITMAN &BARNES MANUFACTURING CO., OF AKRON, OHIO, A

CORPORATION OF OHIO.

KNOCKER FOR TRAVELING CARRIERS.

SPECIFICATION forming part of Letters Patent No. 767,652, dated August16, 1904.

Application filed Afigust 6, 1963.

To all whom it may concern.-

Be it known that 1, DAVID M. MOTHERWELL, a citizen of the United States,residing at Chicago, Cook county, Illinois, have invented a new anduseful Improvement in Knockers for Traveling Carriers, of which thefollowing is a specification.

My invention relates to stops or knockers for traveling carriers, and isespecially adapted for use with carriers which operate to raise a loadvertically, convey it horizontally along a horizontally-suspended ropevor cable, and release it at a desired point beneath the rope or cable.

The .object of my invention is to provide a stop or knocker which may becoupled over the rope or cable (without the necessity of taking down thelatter) and locked thereon against longitudinal movement, while leftfree to swing from side to side thereon, thereby contacting properlywith the releasing mechanism of the carrier in the different positionswhich-the carriers and stops are likely to assume when the rope iskinked or turned.

A further object is to provide a stop or knocker which may be readilyremoved from the cable or shifted from point to point thereon withouttaking down or otherwise disturbing the cable.

In the drawings, Figure 1 is a side view of astop embodying my inventionadapted to operate the releasing mechanism of the traveling carriershown. Fig. 2 is a top view of the frame of the carrier on line 2 ofFig. 1.

Fig. 3 is a central longitudinal section of the stop and carrier. Fig. 4is a sectional view on line 4 of Fig. 3. Fig. 5 is a view on line 6 ofFig. 1 looking in the direction of the arrow. Fig. 6isasimilar view online 7 ofFig. 1.

A indicates any suitable carrier adapted to operate with the stop E. ,Itconsists, preferably, of the two parts 8 and 9, fastened together bybolts or rivets 10, 11', 12, 13, 14, and 15, the bolts 14 and 15 beingthe axes about which the flanged wheels 16 and 17 turn. The bolts 12 and13 support the flanged pulleys 18 and 19, while the bolts 10 and 11support the detents 20 and 21. The frame and wheels may be of Serial No.168.494. (N0 model.)

any suitable construction adapted to travel upon the track or cable andsupport the .pulleys and detents.

B indicates the track or cable, adapted to be stretched between pointsof support and to afford a rail-support and guide for wheels 16 and 17It is usually constructed of steel or iron and is adapted to supportconsiderable weight. Where the weightis less or where for other reasonsit is desirable, the trolley may be run on ropes, rods, wires, or othersuitable ways. The track may be suspended in any suitable manner,preferably by securing the ends to uprights. Figs. 1, 6, and 8illustrate my preferred form of movable stop E, secured to the cable ortrack. This I construct in two the stop to be turned over or swung aboutfreely and to be coupled around the rope or cable from the sides. 'Atany point on the stop, preferably near the end, is cut out the eye orarched opening 36, and to the portion of the cable thus exposed arebolted the clamps 37 and 38 by means of bolts 39 and 40. Each clamp iscurved or cut away about the rope B to afford a better grip around therope. The insertion of these clampingmembers preventslongitudinalmovement of the stop along the cable or rope. By removing these the stopmay be shifted to other points along the cable or track and secured byagain aflixing the clamp within the opening 36, or the two is alsodesirable to flare the ends of the guideway so that if the trolleyshould become twistedout of the vertical the head 42 will still beforced into the guideway and the trolley and stop brought into the samevertical plane. The stop or knocker and the carrier will operate uponropes of different sizes. In the smallest sizes the semitubularstop-sections 30 and 31 are held by the cross-bolts 32, 33, 34, and 35in close contact, while with the large size ropes a space may be leftbetween them.

0 indicates the trip through which the hoisting-rope D is passed andwhich has the hook or coupling 22 depending from it for engaging andsecuring the load and the knob 23 pro jecting upward adapted to operatedetents 20 and 21. While the drawings show two pulleys 18 and 19 on theframe A and the hoisting-rope D knotted to prevent its passing betweenthe frame and the flanged pulley 18, thence passed beneath the flangedpulley 24 in the trip (1, and over the flanged pulley 19, the load beingsupported by the hook 22 on trip C, it is obvious that any combinationof ropes and pulleys which will raise and lower the load and cause theknob on the trip to operate'the detents and any means for attaching theload to the trip may be used to advantage. Detents 20 and 21 are pivotedto turn about bolts 10 and 11, respectively. They are so placed thatwhen their lower portions are brought together the parts 25 and 26 formjaws which engage or bolt the knob 23 and support the load secured totrip C. On the upper or heel portion of each detent are the notches orclick-surfaces 27 and 28, each adapted to em brace the block 44 of thedrop-bolt 29. This drop-bolt consists of a shank having the head 42 andthe block 44 large enough when resting in notches 27 to hold the jaws 25and 26 together. The bolt is also provided with vertical side guides 45,sliding in channels 46. Having thus described my device, what I claim asnew, and desire to secure by Letters Patent, is

1. In combination, the track, a knocker, a sleeve secured to the knockerand extending up over the track and forming a supplemental track-sectionand a clamp on the track, said knocker having a head loosely engagingthe clamp, substantially as described.

2. In combination, a knocker, a clamp on the track comprising the twomembers secured together by bolts and a head on the knocker looselyengaging the clamp the said head being formed of open-work to permitaccess to the clamp, substantially as described.

3. In combination with a cable track a knocker comprising a plateextending below and laterally on each side of the track and means forsecuring the said knocker adapted to support the knocker on tracks ofdifferent sizes, substantially as described.

4. In combination a knocker comprising a plate extending below andlaterally on each side of the track and suspending means thereforadapted to fit cable-tracks of different sizes, substantially asdescribed.

5. A knocker for hay-carrier or like tracks comprising a parthaving acatch or lug and having means for suspending it from the track and meanson the knocker having jaws reaching up alongside the track to engage aprojection on the track to hold the knocker against movementlongitudinally of the track, substantially as described.

6. Aknocker for hay-carrier or like tracks comprising a part having acatch or lug with a sleeve for suspending the said part from the trackand means independent of the sleeve for engaging a projection on thetrack to hold the knocker against longitudinal displacement.

7. A knocker for hay-carriers or'the like comprising a sleeve forming asupplemental track-section and a part suspended thereby and having acatch thereon and means at one end only of the knocker to engage aprojection on the track for holding the knocker against movement in bothdirections.

DAVID M. MOTI-IERWELL Witnesses:

CHARLES L.IIINE, DoN H. ROBINSON.

